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Tried to fix the code for SetWindowPos to erase the background

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properly.
This commit is contained in:
Yuxi Zhang 1999-07-31 11:09:33 +00:00 committed by Alexandre Julliard
parent 43ac3d6b3e
commit a961c445ed
1 changed files with 13 additions and 26 deletions
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39
windows/winpos.c
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@ -2838,42 +2838,29 @@ Pos: /* -----------------------------------------------------------------------
{
if( !(winpos.flags & SWP_NOREDRAW) )
{
if (wndPtr->parent == wndTemp)
{
/* Desktop does not receive wm_paint message so we use RDW_ERASENOW to erase the
the desktop window */
/* Use PAINT_RedrawWindow to explicitly force an invalidation of the window,
its parent and sibling and so on, and then erase the parent window
back ground if the parent is either a top-level window or its parent's parent
is top-level window. Rely on the system to repaint other affected
windows later on. */
if( uFlags & SWP_EX_PAINTSELF )
{
PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, (visRgn == 1) ? 0 : visRgn, RDW_ERASE | RDW_FRAME |
((winpos.flags & SWP_DEFERERASE) ? 0 : RDW_ERASENOW) | RDW_INVALIDATE |
RDW_ALLCHILDREN, RDW_EX_XYWINDOW | RDW_EX_USEHRGN );
PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, (visRgn == 1) ? 0 : visRgn,
RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN,
RDW_EX_XYWINDOW | RDW_EX_USEHRGN );
}
else
{
PAINT_RedrawWindow( wndPtr->parent->hwndSelf, NULL, (visRgn == 1) ? 0 : visRgn,
RDW_ERASE | RDW_ERASENOW | RDW_INVALIDATE | RDW_ALLCHILDREN, RDW_EX_USEHRGN );
}
RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN,
RDW_EX_USEHRGN );
}
else
{
if( uFlags & SWP_EX_PAINTSELF )
{
/* Use PAINT_RedrawWindow to explicitly force an invalidation of the window,
its parent and sibling and so on, and then update the parent window,
the non-top-level window. Rely on the system to repaint other affected
windows later on. */
PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, (visRgn == 1) ? 0 : visRgn, RDW_ERASE |
RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN, RDW_EX_XYWINDOW | RDW_EX_USEHRGN );
}
else
if(wndPtr -> parent == wndTemp || wndPtr->parent->parent == wndTemp )
{
PAINT_RedrawWindow( wndPtr->parent->hwndSelf, NULL, (visRgn == 1) ? 0 : visRgn,
RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN, RDW_EX_USEHRGN );
UpdateWindow( wndPtr->parent->hwndSelf);
}
PAINT_RedrawWindow( wndPtr->parent->hwndSelf, NULL, 0,
RDW_ERASENOW | RDW_NOCHILDREN, 0 );
}
}
if( visRgn != 1 )